Weather on September 13
El Monte, CA
55 Years of Data
Avg High
87°F
Avg Low
62°F
Warmest
1971
92°F avg
Coldest
2016
64°F avg
About This Date
September 13th in El Monte, CA typically brings warm fall weather, with average highs around 87°F and lows near 62°F — a 25°F daily swing. Over 55 years of records, the warmest September 13th was in 1971 (92°F average), while the coldest was 2016 (64°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for September 13th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 62° | 71° | — | — |
| 2024 | 81° | 60° | 70° | — | — |
| 2023 | 80° | 60° | 70° | — | — |
| 2022 | 84° | 65° | 74° | — | — |
| 2021 | 91° | 60° | 76° | — | — |
| 2020 | 91° | 64° | 78° | — | — |
| 2019 | 99° | 71° | 85° | — | — |
| 2018 | 89° | 62° | 76° | — | — |
| 2017 | 81° | 60° | 70° | — | — |
| 2016coldest | 72° | 56° | 64° | — | — |
| 2015 | 92° | 67° | 79° | — | — |
| 2014 | 98° | 68° | 83° | — | — |
| 2013 | 88° | 64° | 76° | — | — |
| 2012 | 92° | 67° | 79° | — | — |
| 2011 | 93° | 60° | 77° | — | — |
| 2010 | 86° | 57° | 72° | — | — |
| 2009 | 80° | 61° | 70° | — | — |
| 2008 | 78° | 64° | 71° | — | — |
| 2007 | 88° | 62° | 75° | — | — |
| 2006 | 82° | 64° | 73° | — | — |
| 2005 | 74° | 56° | 65° | — | — |
| 2004 | 94° | 64° | 79° | — | — |
| 2003 | 92° | 64° | 78° | — | — |
| 2002 | 90° | 58° | 74° | — | — |
| 2001 | 89° | 55° | 72° | — | — |
| 2000 | 103° | 65° | 84° | — | — |
| 1999 | 90° | 59° | 74° | — | — |
| 1998 | 86° | 59° | 73° | — | — |
| 1997 | 91° | 66° | 79° | — | — |
| 1996 | 83° | 60° | 71° | — | — |
| 1995 | 96° | 62° | 79° | — | — |
| 1994 | 79° | 60° | 69° | — | — |
| 1993 | 85° | 63° | 74° | — | — |
| 1992 | 88° | 60° | 74° | — | — |
| 1991 | 77° | 62° | 70° | — | — |
| 1990 | 98° | 65° | 81° | — | — |
| 1989 | 90° | 58° | 74° | — | — |
| 1988 | 80° | 55° | 68° | — | — |
| 1987 | 72° | 62° | 67° | — | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985 | 93° | 56° | 74° | — | — |
| 1984 | 93° | 67° | 80° | — | — |
| 1983 | 96° | 68° | 82° | — | — |
| 1982 | 79° | 59° | 69° | — | — |
| 1981 | 86° | 58° | 72° | — | — |
| 1980 | 80° | 63° | 71° | — | — |
| 1979 | 97° | 65° | 81° | — | — |
| 1978 | 76° | 63° | 69° | — | — |
| 1977 | 83° | 58° | 70° | — | — |
| 1976 | 84° | 58° | 71° | — | — |
| 1975 | 79° | 62° | 70° | — | — |
| 1974 | 84° | 62° | 73° | — | — |
| 1973 | 80° | 61° | 70° | — | — |
| 1972 | 84° | 51° | 68° | — | — |
| 1971warmest | 111° | 73° | 92° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT